Search a number
-
+
65240330 = 256524033
BaseRepresentation
bin1111100011011…
…1110100001010
311112202112220112
43320313310022
5113200142310
610250154322
71421351021
oct370676412
9145675815
1065240330
1133910031
1219a229a2
131069325c
1489438b8
155ada705
hex3e37d0a

65240330 has 8 divisors (see below), whose sum is σ = 117432612. Its totient is φ = 26096128.

The previous prime is 65240327. The next prime is 65240347. The reversal of 65240330 is 3304256.

It can be written as a sum of positive squares in 2 ways, for example, as 65237929 + 2401 = 8077^2 + 49^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 65240296 and 65240305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3262007 + ... + 3262026.

Almost surely, 265240330 is an apocalyptic number.

65240330 is a deficient number, since it is larger than the sum of its proper divisors (52192282).

65240330 is a wasteful number, since it uses less digits than its factorization.

65240330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6524040.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 65240330 is about 8077.1486305503. The cubic root of 65240330 is about 402.5675053630.

Adding to 65240330 its reverse (3304256), we get a palindrome (68544586).

The spelling of 65240330 in words is "sixty-five million, two hundred forty thousand, three hundred thirty".

Divisors: 1 2 5 10 6524033 13048066 32620165 65240330